Study on the Influence of Tectonic Stress on Stability of Horseshoe-Shaped Tunnels

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Cohesion <i>C</i> (MPa)</td><td class="align_center">Frictional angle <i>θ</i> (°)</td><td class="align_center">Elastic modulus <i>E</i> (GPa)</td><td class="align_center">Poisson’s ratio (<i>μ)</i></td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">10.6</td><td class="align_center">34</td><td class="align_center">18.9</td><td class="align_center">0.23</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Parameters of the calculation model.</div>

Advances in Materials Science and Engineering

tab2

Table 2

Table 2: Study on the Influence of Tectonic Stress on Stability of Horseshoe-Shaped Tunnels 